[PATCH] powerpc/44x/fsp2: Add missing of_node_put in node_irq_request

He Ying heying24 at huawei.com
Mon Nov 1 20:44:39 AEDT 2021


Early exits from for_each_compatible_node() should decrement the
node reference counter.

Signed-off-by: He Ying <heying24 at huawei.com>
---
 arch/powerpc/platforms/44x/fsp2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/platforms/44x/fsp2.c b/arch/powerpc/platforms/44x/fsp2.c
index b299e43f5ef9..823397c802de 100644
--- a/arch/powerpc/platforms/44x/fsp2.c
+++ b/arch/powerpc/platforms/44x/fsp2.c
@@ -208,6 +208,7 @@ static void node_irq_request(const char *compat, irq_handler_t errirq_handler)
 		if (irq == NO_IRQ) {
 			pr_err("device tree node %pOFn is missing a interrupt",
 			      np);
+			of_node_put(np);
 			return;
 		}
 
@@ -215,6 +216,7 @@ static void node_irq_request(const char *compat, irq_handler_t errirq_handler)
 		if (rc) {
 			pr_err("fsp_of_probe: request_irq failed: np=%pOF rc=%d",
 			      np, rc);
+			of_node_put(np);
 			return;
 		}
 	}
-- 
2.17.1



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